<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <h1>我是b.html</h1>
    <script>
      // 获取a页面携带过来的参数
      console.log(location.search);
      // 把携带过来的中文，反编译过来 decodeURIComponent
      console.log(decodeURIComponent(loaction.search));
    </script>
  </body>
</html>
